Raise nikic/php-parser minimum version

Author: spawnia

composer.json

@@ -15,7 +15,7 @@
         "thecodingmachine/safe": "^1.0 || ^2.0"
     },
     "require-dev": {
-        "nikic/php-parser": "^4",
+        "nikic/php-parser": "^4.19.4",
         "phpunit/phpunit": "^9.6",
         "php-coveralls/php-coveralls": "^2.1",
         "squizlabs/php_codesniffer": "^3.4"